The Resurrection of the Golden Wolf (1979)

Yusaka Matsuda stars as a seemingly run-of-the-mill corporate salary man who leads a double life as a vicious criminal by night. In a delicious scheme of payback, he seeks to dominate the corporation that employs him by day with no reservations about the violent and dastardly actions he must undertake in order to achieve his goal. (Source: back of the DVD cover)